Tor Users Can Be Tracked Based on Their Mouse Movements

Independent security researcher Jose Carlos Norte has discovered a set of new methods of fingerprinting Tor users, which can be used to deanonymize them later on during abusive law enforcement investigations or cyber-surveillance campaigns.

The process of “user fingerprinting” refers to ways of tracking non-standard operations and details about a user’s behavior. While analytics services track a bunch of such details, the Tor Browser provides protection against some of these actions in order to keep the user’s identity a secret.